package thread.concurrents;

import jvm.SimpleHappenBefore;

import java.util.concurrent.CountDownLatch;

public class CountDownLanchDemo {

  public static void main(String[] args) {

    CountDownLatch countDownLatch = new CountDownLatch(0);

    try {
      countDownLatch.await();
    } catch (InterruptedException e) {
      e.printStackTrace();
    }




  }

}
